Confidential Transfers for MPT: clearing lsfMPTCanConfidentialAmount at zero confidential outstanding amount locks holders’ public MPToken balances

otherwise-valid `SponsorshipTransfer` forms targeting a Vault are admitted by preclaim and rejected by the `ValidVault` invariant, trapping sponsors who co-sign Vault creation

legacy SignerList sponsorship under-charges create at 1 ReserveCount but refunds 2 + signer_count on delete, inflating pre-funded quota

Liquidation Uses EMA for Eligibility but Spot for Seizure, Delaying Liquidation During Fast Drops and Over-Seizing Once It Opens

ADL Activation Uses Global Reserve Debt Instead of Group-Level Debt, Causing Cross-Group Misfires